// newStreamingBitrotWriterBuffer returns streaming bitrot writer implementation.
// The output is written to the supplied writer w.
func newStreamingBitrotWriterBuffer(w io.Writer, algo BitrotAlgorithm, shardSize int64) io.Writer {
	return &streamingBitrotWriter{iow: ioutil.NopCloser(w), h: algo.New(), shardSize: shardSize, canClose: nil, closeWithErr: func(err error) {}}
}

// Returns streaming bitrot writer implementation.

	ModTime time.Time `json:"modTime"` // ModTime of the object `xl.meta`.
	Name    string    `json:"name"`
	Dir     bool      `json:"dir"`
	Mode    uint32    `json:"mode"`
}

// ErasureInfo holds erasure coding and bitrot related information.
type ErasureInfo struct {
	// Algorithm is the string representation of erasure-coding-algorithm
	Algorithm string `json:"algorithm"`
	// DataBlocks is the number of data blocks for erasure-coding

		}
	}
}

// Test xlStorage.VerifyFile()
func TestXLStorageVerifyFile(t *testing.T) {
	// We test 4 cases:
	// 1) Whole-file bitrot check on proper file
	// 2) Whole-file bitrot check on corrupted file
	// 3) Streaming bitrot check on proper file
	// 4) Streaming bitrot check on corrupted file

	// create xlStorage test setup
	storage, path, err := newXLStorageTestSetup(t)
	if err != nil {

```
~ mc admin config set alias/ heal
KEY:
heal  manage object healing frequency and bitrot verification checks

ARGS:
bitrotscan     (on|off)    perform bitrot scan on drives when checking objects during scanner
max_sleep      (duration)  maximum sleep duration between objects to slow down heal operation. eg. 2s

				verified++
			}
		}
	}
	fmt.Println("Reconstructed", reconstructed, "bytes and verified", verified, "bytes of partial shard with config", shardConfig)
}

// bitrot returns a shard beginning at startOffset after doing bitrot checks.
func bitrot(val []byte, startOffset, shardSize int) ([]byte, error) {
	var res []byte
	for len(val) >= 32 {
		want := val[:32]
		data := val[32:]
		if len(data) > shardSize {

					f, err := os.OpenFile(filePath, os.O_WRONLY|os.O_SYNC, 0)
					if err != nil {
						t.Fatalf("Failed to open %s: %s\n", filePath, err)
					}
					f.WriteString("oops") // Will cause bitrot error
					f.Close()
					break
				}

			}

			rQuorum := len(errs) - z.serverPools[0].sets[0].defaultParityCount

	if c.done != nil {
		xioutil.SafeClose(c.done)
		c.done = nil
	}
	return c.rc.Close()
}

// keepHTTPReqResponseAlive can be used to avoid timeouts with long storage
// operations, such as bitrot verification or data usage scanning.
// Every 10 seconds a space character is sent.
// keepHTTPReqResponseAlive will wait for the returned body to be read before starting the ticker.

				replication: replicationCfg,
			}

			item.heal.enabled = thisHash.modAlt(f.oldCache.Info.NextCycle/folder.objectHealProbDiv, f.healObjectSelect/folder.objectHealProbDiv) && f.shouldHeal()
			item.heal.bitrot = f.scanMode == madmin.HealDeepScan

			sz, err := f.getSize(item)
			if err != nil && err != errIgnoreFileContrib {
				wait() // wait to proceed to next entry.
				if err != errSkipFile && f.dataUsageScannerDebug {

	hr, err = er.healObject(healCtx, bucket, object, versionID, opts)
	if errors.Is(err, errFileCorrupt) && opts.ScanMode != madmin.HealDeepScan {
		// Instead of returning an error when a bitrot error is detected
		// during a normal heal scan, heal again with bitrot flag enabled.
		opts.ScanMode = madmin.HealDeepScan
		hr, err = er.healObject(healCtx, bucket, object, versionID, opts)
	}
	return hr, toObjectErr(err, bucket, object, versionID)

			Key:         config.StorageClassSubSys,
			Description: "define object level redundancy",
		}, config.HelpKV{
			Key:         config.HealSubSys,
			Description: "manage object healing frequency and bitrot verification checks",
		})
	}

	helpMap := map[string]config.HelpKVS{
		"":                          helpSubSys, // Help for all sub-systems.
		config.SiteSubSys:           config.SiteHelp,